- Definitions|2
- Thesaurus|3.8k
- Abbreviations|0
102 entries under expression topic. ×
| non compos mentis(adjective, idiom, crazy, fantastic) | |
| being a sucker(innocent, susceptible, naive, trusting) | |
| beyond all reason(idiom, silly, fantastic, half-baked) | |
| double talk(adjective, silly, stupid, insignificant) | |
| easily taken in(innocent, susceptible, naive, trusting) | |
| easy mark(innocent, susceptible, naive, trusting) | |
| falling hook line and sinker(innocent, susceptible, naive, trusting) | |
| flipped out(silly, crazy, mad, unwise) | |
| full of mischief | |
| in the ozone(idiom, simple, silly, crazy) | |
| kidding oneself(innocent, susceptible, naive, trusting) | |
| led up the garden path(adjective, idiom, unreasonable, ill-advised) | |
| mentally ill | |
| mentally retarded | |
| not sensible | |
| nutty as a fruitcake(idiom, crazy, hysterical, psychotic) | |
| nutty as fruitcake(idiom, silly, crazy, unwise) | |
| of little brain | |
| of unsound mind(idiom, silly, stupid, fantastic) | |
| off the wall(adjective, idiom, silly, stupid) |
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| APA | Smart Define. (2016). foolish thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/foolish/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, foolish thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/foolish/thesaurus/synonyms>. |
| MLA | Smart Define. "foolish thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/foolish/thesaurus/synonyms> |